WO2023088121A1 - Procédé de commande de réfrigérateur et réfrigérateur - Google Patents

Procédé de commande de réfrigérateur et réfrigérateur Download PDF

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Publication number
WO2023088121A1
WO2023088121A1 PCT/CN2022/130341 CN2022130341W WO2023088121A1 WO 2023088121 A1 WO2023088121 A1 WO 2023088121A1 CN 2022130341 W CN2022130341 W CN 2022130341W WO 2023088121 A1 WO2023088121 A1 WO 2023088121A1
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Prior art keywords
storage device
sterilizing
deodorizing
mode
storage
Prior art date
Application number
PCT/CN2022/130341
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English (en)
Chinese (zh)
Inventor
陈童
崔展鹏
刘浩泉
张振兴
Original Assignee
青岛海尔电冰箱有限公司
海尔智家股份有限公司
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Publication of WO2023088121A1 publication Critical patent/WO2023088121A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0416—Treating air flowing to refrigeration compartments by purification using an ozone generator

Definitions

  • the invention relates to refrigeration and freezing technology, in particular to a refrigerator control method and the refrigerator.
  • refrigerators As refrigerators penetrate into people's daily life, users have more and more functional requirements for refrigerators. For example, people hope that refrigerators are not only used to store fruits, vegetables, meat and other ordinary foods that require high humidity, but also to store some Dry ingredients that require a low-humidity environment. In order to meet users' needs for dry space and high-humidity space, and to avoid space waste, there are currently related technologies that store food materials with different humidity requirements by setting a storage device capable of switching between dry and wet functions in the refrigerator.
  • a deodorization module is usually installed at the air supply port or the air return port of the storage device to realize the deodorization function when the storage device supplies air.
  • the deodorization effect is not ideal. So far, the causes of the above problems have not been found in the prior art.
  • the deodorization effect of the deodorization module is not ideal, those skilled in the art usually find the reason from the deodorization module itself or replace the deodorization module, but still can not achieve a better effect.
  • the inventor of the present application conducted an in-depth analysis of the dry-humidity adjustment process of the storage device and realized that this is not a problem with the deodorization module itself, but caused by poor cooperation between the deodorization module and other structures of the refrigerator .
  • the deodorization module usually realizes the sterilization or deodorization function through negative ions, ozone and other substances. However, the concentration of negative ions or ozone must reach a certain concentration to form an effective sterilization and deodorization effect.
  • the deodorization module is installed at the air supply port or the air return port of the storage device, and the negative ions or ozone generated by it diffuse to multiple areas of the refrigerator, and it is difficult to ensure the concentration of negative ions or ozone in the storage device. Therefore, deodorization no significant effect.
  • the storage device In the moisturizing mode, the storage device is usually not ventilated and closed, and the deodorizing module hardly plays any role at this time.
  • an object of the first aspect of the present invention is to overcome at least one defect of the prior art, and provide a refrigerator control method capable of effectively sterilizing and deodorizing storage devices.
  • a further object of the first aspect of the present invention is to prevent the dry goods in the storage device from deteriorating due to moisture.
  • the object of the second aspect of the present invention is to provide a refrigerator capable of effectively sterilizing and deodorizing storage devices.
  • the present invention provides a method for controlling a refrigerator
  • the refrigerator includes a storage compartment and a storage device disposed in the storage compartment, the storage device has a preset humidity range of drying and moisturizing modes
  • the refrigerator also includes an evaporator for generating cooling airflow, a device supply damper for selectively allowing cooling airflow to the storage unit, selectively allowing cooling airflow to the The compartment air supply door of the storage compartment and the sterilizing and deodorizing device for sterilizing and deodorizing the internal space of the storage device;
  • the control method includes:
  • the humidity in the storage device is reduced by opening the air supply door of the device to input cooling airflow into the storage device, and the sterilization is started
  • the deodorizing device is used to release the sterilizing and deodorizing substances into the storage device; when the air supply damper of the device is in the open state and the sterilizing and deodorizing device is in the open state, control the air supply damper of the compartment to close ;
  • the first mode conversion process of the storage device specifically includes:
  • the refrigeration is forcibly started, the air supply damper of the compartment is kept closed, and the air supply damper of the device is opened after a preset condition is met.
  • the first mode switching process of the storage device further includes:
  • the air supply damper of the device When the humidity in the storage device reaches the preset humidity range corresponding to the drying mode, the air supply damper of the device is closed, and the open and closed state of the air supply damper of the compartment is restored;
  • the concentration of the sterilizing and deodorizing substance reaches a first preset concentration value, stop the sterilizing and deodorizing device; when the sterilizing and deodorizing device stops, the concentration of the sterilizing and deodorizing substance decreases to a second preset concentration value At this time, the sterilization and deodorization in the storage device is completed;
  • the mode conversion of the storage device is completed.
  • the preset condition is that the storage compartment is forced to start cooling for a first preset duration
  • the preset condition is that the relative humidity of the cooling airflow generated by the evaporator relative to the environment in the storage device is lower than a preset humidity threshold;
  • the preset condition is that the temperature of the cooling airflow generated by the evaporator is lower than a preset temperature threshold.
  • the step of activating the sterilizing and deodorizing device to release the sterilizing and deodorizing substance into the storage device specifically includes:
  • the first voltage is provided to the sterilizing and deodorizing device, so that most of the sterilizing and deodorizing substances released by the sterilizing and deodorizing device are ozone, and a small part is negative ions.
  • control method also includes:
  • the air supply door of the device is closed to prevent the cooling airflow from flowing into the storage device, and the sterilizing and deodorizing device is activated to blow air into the storage device. Release bactericidal and deodorizing substances;
  • the second mode switching process of the storage device further includes:
  • the step of activating the sterilizing and deodorizing device to release the sterilizing and deodorizing substance into the storage device specifically includes:
  • the second voltage is provided to the sterilizing and deodorizing device, so that most of the sterilizing and deodorizing substances released by the sterilizing and deodorizing device are negative ions and a small part is ozone.
  • the refrigerator further includes a device return air damper for selectively allowing airflow in the storage device to return to the evaporator; and
  • the device air return damper is configured to be opened and closed synchronously with the device air supply damper.
  • the present invention also provides a refrigerator, comprising a storage compartment for storing items, an evaporator for providing cooling airflow, and a storage device arranged in the storage compartment,
  • the storage device has a drying mode and a moisturizing mode with different preset humidity ranges;
  • the refrigerator also includes:
  • a device supply damper configured to selectively allow cooling airflow to the storage device
  • a compartment supply damper configured to selectively allow cooling airflow to the storage compartment
  • a sterilizing and deodorizing device used for sterilizing and deodorizing the internal space of the storage device
  • the control device includes a processor and a memory, where a machine-executable program is stored in the memory, and when the machine-executable program is executed by the processor, it is used to implement the control method according to any of the above schemes.
  • the refrigerator of the present invention immediately sends a prompt message after receiving the mode switching signal that the storage device switches from the moisturizing mode to the drying mode, to prompt the user to start the mode switching of the storage device, expressly or hinting at the user's mode switching of the storage device at this time
  • the transformation has not been completed, so it is not suitable to put items in immediately.
  • the mode conversion in order to reduce the humidity in the storage device, the air supply door of the device is opened to input cooling airflow into the storage device.
  • the sterilizing and deodorizing device is activated to release the sterilizing and deodorizing substance into the storage device.
  • the range or area of air circulation with the storage device is too large, it is difficult to increase the concentration of the sterilizing and deodorizing substances, and the effect of sterilizing and deodorizing is not obvious.
  • the air supply door of the control compartment is closed to block the air circulation between the evaporator and the storage compartment, so that the evaporator is only connected to the storage compartment. Therefore, the area where the sterilizing and deodorizing substances are distributed is limited to the storage device, the evaporator room where the evaporator is located, and the connecting channel between the two, effectively preventing the sterilizing and deodorizing substances from being lost to a very large space.
  • the concentration of the sterilizing and deodorizing substances in the storage device is increased, so that the storage device can be effectively sterilized and deodorized.
  • the air supply damper of the device will not be opened directly, but it is first judged whether the storage compartment is in a cooling state, and then according to the cooling state of the storage compartment, or not perform different operations respectively.
  • the storage compartment is in the cooling state, it means that the evaporator has been fed with refrigerant, and the temperature of the evaporator is already very low at this time.
  • the air supply door of the device can be opened directly, allowing the cooling airflow to flow into the storage device immediately, thereby quickly forming a low-humidity storage environment in the storage device.
  • the storage compartment When the storage compartment is in a non-refrigerated state, it means that there is no refrigerant flowing through the evaporator. At this time, it is necessary to force the refrigeration to be started to make the refrigerant flow through the evaporator, thereby reducing the temperature of the evaporator, so that the airflow flows through the evaporator The humidity is reduced. At the same time, it is also necessary to keep the air supply damper of the compartment closed, so as to prevent the sterilizing and deodorizing substances produced by the sterilizing and deodorizing device from diffusing into the storage compartment. Open the air supply damper of the device after meeting the preset conditions, which delays the opening time of the air supply damper of the device.
  • the humidity of the cooling airflow formed at this time is low enough, which can effectively reduce the humidity in the storage device and prevent storage
  • the short-term rise of the humidity in the device ensures the better preservation quality of the dry goods and avoids the deterioration of the dry goods.
  • Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention
  • Fig. 2 is a partial structural schematic diagram of a refrigerator according to an embodiment of the present invention.
  • Fig. 3 is a schematic flowchart of a method for controlling a refrigerator according to an embodiment of the present invention
  • Fig. 4 is a schematic flowchart of a first mode conversion process of a storage device according to an embodiment of the present invention
  • Fig. 5 is a schematic flowchart of a partial control method of a refrigerator according to an embodiment of the present invention.
  • Fig. 6 is a schematic structural block diagram of a refrigerator according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention.
  • the refrigerator 1 of the present invention includes a storage compartment 11 and a storage device 20 disposed in the storage compartment 11.
  • the storage device 20 has a drying mode and a moisturizing mode with different preset humidity ranges. That is to say, the preset humidity range of the storage device 20 in the dry mode is different from the preset humidity range of the storage device 20 in the moisturizing mode, specifically, the preset humidity range of the storage device 20 in the dry mode is lower.
  • the storage compartment 11 may be a refrigerated compartment with a refrigerated storage environment.
  • Fig. 2 is a partial structural diagram of a refrigerator according to an embodiment of the present invention.
  • the refrigerator 1 also includes an evaporator 30 for generating cooling airflow, a device air supply damper 41 for selectively allowing the cooling airflow to flow to the storage device 20, and a compartment for selectively allowing the cooling airflow to flow to the storage compartment 11
  • the air supply damper 42 and the sterilizing and deodorizing device 43 for sterilizing and deodorizing the internal space of the storage device 20 .
  • the sterilizing and deodorizing device 43 may be disposed inside the storage device 20 .
  • the evaporator 30 may be disposed in the evaporator chamber 12 behind the storage compartment 11 , and the evaporator chamber 12 and the storage compartment 11 are separated by an air duct cover plate 70 .
  • the air duct cover plate 70 may be formed with a compartment air supply duct 52 communicating with the evaporator compartment 12 and the storage compartment 11 and a device air duct 51 communicating with the evaporator compartment 12 and the storage device 20 .
  • the device air supply damper 41 and the compartment air supply damper 42 can be respectively arranged at the ends of the device air supply duct 51 and the compartment air supply duct 52 connected to the evaporator chamber 12 .
  • the device air supply damper 41 and the compartment air supply damper 42 may also be respectively arranged in the device air supply air duct 51 and the compartment air supply duct 52 .
  • Fig. 3 is a schematic flowchart of a method for controlling a refrigerator according to an embodiment of the present invention.
  • Control method of the present invention comprises:
  • Step S10 after receiving a mode switching signal indicating that the storage device 20 is switched from the moisturizing mode to the drying mode, sending a prompt message indicating that the first mode switching of the storage device 20 is started;
  • Step S20 during the conversion process of the first mode of the storage device 20, the humidity in the storage device 20 is reduced by opening the air supply door 41 of the device to input cooling airflow into the storage device 20, and the sterilizing and deodorizing device is activated 43, to release the sterilizing and deodorizing substances into the storage device 20; when the air supply damper 41 of the device is in the open state and the sterilizing and deodorizing device 43 is in the open state, the control compartment air supply damper 42 is closed;
  • Step S30 when the conversion of the first mode of the storage device 20 is completed, sending a prompt message indicating that the conversion of the first mode of the storage device 20 is completed.
  • the refrigerator of the present invention immediately sends a prompt message after receiving the mode switching signal that the storage device 20 switches from the moisturizing mode to the drying mode, to prompt the user to start the mode switching of the storage device, expressly or implying the mode of the storage device to the user at this time
  • the conversion has just started, and the conversion has not been completed, so it is not suitable to put items in immediately.
  • the mode conversion in order to reduce the humidity in the storage device 20 , the device air supply door 41 is opened to input cooling airflow into the storage device 20 .
  • the sterilizing and deodorizing device 43 is activated to release the sterilizing and deodorizing substance into the storage device 20 .
  • the air supply damper 41 of the device is opened and the sterilizing and deodorizing device 43 is running, the air supply damper 42 of the control compartment is closed to block the air circulation between the evaporator 30 and the storage compartment 11, so that The evaporator 30 is only in communication with the storage device 20, thus, the area where the sterilizing and deodorizing substances are distributed is limited to the storage device 20, the evaporator chamber 12 where the evaporator 30 is located, and the connecting channel between the two, effectively preventing The sterilizing and deodorizing substance is lost into the storage compartment 11 with a very large space, which increases the concentration of the sterilizing and deodorizing substance in the storage device 20 , so that the storage device 20 can be effectively sterilized and deodorized.
  • the control method of the present invention provides the user with prompt information on the start and end of the mode conversion of the storage device, and clarifies the best time to put the item into the storage device, so that the user can put the item into the storage device at an accurate time, ensuring This ensures the better preservation quality of the items, and avoids that the items are put into the storage device too early to cause the items to produce peculiar smell, breed bacteria, suffer from serious dehydration or be damp and deteriorated.
  • Fig. 4 is a schematic flowchart of a first mode conversion process of the storage device according to an embodiment of the present invention.
  • the first mode switching process of the storage device 20 specifically includes:
  • Step S21 start the sterilizing and deodorizing device 43 to release the sterilizing and deodorizing substance into the storage device 20;
  • Step S22 judging whether the storage compartment 1 is in a cooling state; if yes, go to step S23, if not, go to step S24;
  • Step S23 close the compartment air supply damper 42, and directly open the device air supply damper 41;
  • step S24 the cooling is forcibly started, the compartment air supply damper 42 is kept closed, and the device air supply damper 41 is opened after the preset condition is met.
  • the air supply damper 41 of the device will not be opened directly, but it is first judged whether the storage compartment is in a cooling state, and then according to the Different operations are performed depending on whether the chamber is cooled or not.
  • the storage compartment 11 is in the refrigerated state, it means that the evaporator 30 has been fed with refrigerant, and the blower fan 80 is in the running state. At this time, the temperature of the evaporator 30 is already very low, and the temperature and humidity of the cooling airflow formed after the airflow flows through the evaporator 30 are relatively low.
  • the device air supply damper 41 can be directly opened to allow the cooling airflow to flow into the storage device 20 immediately. In this way, a low-humidity, sterile and odor-free storage environment is quickly formed in the storage device 20 .
  • the storage compartment 11 When the storage compartment 11 is in a non-cooling state, it means that there is no refrigerant flowing through the evaporator 30, and the blower fan 80 is in a stopped state.
  • the air blower 80 reduces the temperature of the evaporator 30, so that the humidity of the airflow decreases after passing through the evaporator 30.
  • the compartment air supply damper 42 it is also necessary to keep the compartment air supply damper 42 in a closed state, so as to prevent the sterilizing and deodorizing substances produced by the sterilizing and deodorizing device 43 from diffusing into the storage compartment 11 .
  • the first mode switching process of the storage device 20 further includes:
  • the device air supply damper 41 When the humidity in the storage device 20 reaches the preset humidity range corresponding to the drying mode, the device air supply damper 41 is closed, and the opening and closing state of the compartment air supply damper 42 is restored;
  • the mode switching of the storage device 20 is completed.
  • the humidity in the storage device 20 can be judged first, and then the concentration of the sterilizing and deodorizing substance in the storage device 20 can be judged; The concentration is judged, and then the humidity in the storage device 20 is judged.
  • the closing of the air supply damper 41 of the device and the recovery of the open and closed state of the air supply damper 42 of the compartment can be performed simultaneously.
  • restoring the opening and closing state of the air supply damper 42 of the compartment means: if the air supply damper 42 of the compartment is in an open state before starting the sterilizing and deodorizing device 43 (that is, the storage compartment is in a cooling state), the compartment is sent to The damper 42 returns to the open state.
  • the closed state of the air supply damper 42 of the compartment will continue to be maintained. .
  • the concentration of the sterilizing and deodorizing substance When the concentration of the sterilizing and deodorizing substance reaches the first preset concentration value, it indicates that the concentration of the sterilizing and deodorizing substance is high enough to effectively sterilize and deodorize. At this time, closing the sterilizing and deodorizing device 43 can reduce energy consumption.
  • the concentration of the sterilizing and deodorizing substance is reduced to the second preset concentration value, it means that the sterilizing and deodorizing operation in the storage device has been carried out for a period of time, and a certain effect has been achieved. The completion of deodorization can shorten the time for mode conversion of the storage device 20 as much as possible.
  • the preset condition in step S24 may be that the storage compartment 11 is forced to start cooling for a first preset duration. That is to say, the opening of the device air supply damper 41 can be controlled by delaying the opening time of the device air supply damper 41, without obtaining other parameters or performing complex analysis and processing on the parameters, which simplifies the control logic of the refrigerator.
  • the preset condition in step S24 may be that the relative humidity of the cooling airflow generated by the evaporator 30 relative to the environment in the storage device 20 is lower than a preset humidity threshold. That is to say, the opening of the air supply damper 41 can be directly controlled by the relative humidity of the cooling air flow, which is more in line with the actual situation, and the control accuracy is relatively high.
  • the preset condition in step S24 may be that the temperature of the cooling airflow generated by the evaporator 30 is lower than a preset temperature threshold. That is to say, the opening of the air supply damper 41 of the device can be directly controlled according to the temperature of the cooling airflow.
  • the temperature of the cooling air flow is obtained directly through temperature-sensing devices such as a temperature-sensing head, and the cost of the temperature-sensing head is much lower than the device for obtaining the humidity of the air flow. Therefore, the present invention directly controls the opening of the air supply damper 41 according to the comparison between the temperature of the cooling air flow and the preset temperature threshold, which not only conforms to the actual situation, but also effectively controls the increase of the cost of the refrigerator 1 .
  • the step S21 of activating the sterilizing and deodorizing device 43 to release the sterilizing and deodorizing substance into the storage device 20 may specifically include:
  • the first voltage is provided to the sterilizing and deodorizing device 43, so that most of the sterilizing and deodorizing substances released by the sterilizing and deodorizing device 43 are ozone, and a small part is negative ions.
  • the storage device 20 when the storage device 20 is switched from the moisturizing mode to the drying mode, since the original stored fruits and vegetables have relatively high water content, bacteria are likely to be generated. Therefore, during the mode switching process, the storage device 20 is mainly sterilized.
  • the sterilizing ability of ozone is strong, and the voltage applied to the sterilizing and deodorizing device 43 can be adjusted to generate more ozone and some negative ions, so as to achieve the main function of sterilizing and supplemented by deodorizing.
  • Fig. 5 is a schematic flowchart of a partial control method of a refrigerator according to an embodiment of the present invention.
  • the control method of the present invention also includes:
  • Step S10' after receiving a mode switching signal indicating that the storage device 20 is switched from the drying mode to the moisturizing mode, sending a prompt message indicating that the second mode switching of the storage device 20 is started;
  • Step S20' during the second mode conversion process of the storage device 20, close the air supply door 41 of the device to prevent the cooling airflow from flowing into the storage device 20, and activate the sterilization and deodorization device 43 to release the air into the storage device 20. Sterilizing and deodorizing substances;
  • Step S30' when the conversion of the second mode of the storage device 20 is completed, a prompt message indicating that the conversion of the second mode of the storage device 20 is completed.
  • the refrigerator of the present invention immediately sends a prompt message after receiving the mode switching signal that the storage device 20 switches from the drying mode to the moisturizing mode, to remind the user that the second mode switching of the storage device starts, expressly or implying that the storage device 20 is at this time
  • the mode conversion has just started, and the conversion has not been completed, so it is not suitable to put items in immediately.
  • a prompt message is issued again to remind the user that the mode conversion of the storage device 20 is completed, expressly or hinting that the user can put in the item at this time, thus, it is possible to avoid items such as fruits and vegetables. Excessive water loss.
  • the second mode switching process of the storage device 20 also includes:
  • a sterile, odor-free and high-humidity storage environment can be formed in the storage device 20, which is very beneficial to the preservation of fruits and vegetables and other items.
  • the concentration of the sterilizing and deodorizing substance reaches the third preset concentration value, it means that the concentration of the sterilizing and deodorizing substance is high enough to perform an effective sterilizing and deodorizing function. At this time, turning off the sterilizing and deodorizing device 43 can reduce energy consumption.
  • the concentration of the sterilizing and deodorizing substance decreases to the fourth preset concentration value, it indicates that the sterilizing and deodorizing operation in the storage device 20 has been carried out for a period of time, and a certain effect has been achieved. The completion of sterilization and deodorization can shorten the time for mode conversion of the storage device 20 as much as possible.
  • the step of activating the sterilizing and deodorizing device 43 to release the sterilizing and deodorizing substance into the storage device 20 may specifically include:
  • the second voltage is provided to the sterilizing and deodorizing device 43, so that most of the sterilizing and deodorizing substances released by the sterilizing and deodorizing device 43 are negative ions and a small part is ozone.
  • the storage device 20 when the storage device 20 is switched from the drying mode to the moisturizing mode, because the original stored medicines, tea leaves and other items have a strong smell, it is easy to smell. Therefore, during the mode switching process, the storage device 20 is mainly deodorized. Negative ions have a strong ability to absorb odors, and the voltage applied to the sterilization and deodorization device 43 can be adjusted to generate more negative ions and part of ozone, thereby achieving the main function of deodorization and supplemented by sterilization.
  • the range of the first voltage may be 2800-3400V
  • the range of the second voltage may be 2000-2800V.
  • the prior art usually prevents the cooling airflow from continuing to enter the storage device 20 by closing the air supply door of the device, but ignores the air return port of the storage device 20, which is directly exposed to the storage device 20.
  • the return air of the storage compartment 11 may enter the storage device 20 through the return air outlet of the storage device 20 and affect the temperature and humidity in the storage device 20 .
  • the refrigerator 1 further includes a device return air damper 44 that selectively allows the airflow in the storage device 20 to return to the evaporator 30 .
  • the device return air damper 44 can be arranged at the air return port of the storage device 20, and when the device return air damper 44 is opened, the airflow in the storage device 20 is allowed to return to the evaporator 30; when the device return air damper 44 is closed, , preventing the airflow in the storage device 20 from returning to the evaporator 30 .
  • the device air return damper 44 is configured to be opened and closed synchronously with the device air supply damper 41 .
  • the device air supply damper 41 and the device return air damper 44 can be controlled to open to allow the cooling airflow generated by the evaporator 30 to flow into the storage device 20, and the storage device
  • the original air in the device 20 returns to the evaporator 30 through the return air outlet and the return air duct of the storage compartment 11 , thereby replacing the air in the storage device 20 .
  • the air flow passes through the evaporator 30 with a lower temperature, the moisture in the air flow will condense on the evaporator 30, so that the temperature and humidity of the formed cooling air flow are relatively low.
  • a dry storage space with low temperature and low humidity can be formed in the air storage device 20 .
  • the device air supply damper 41 and the device return air damper 44 can be closed in a controlled manner. At this time, even if there is a return air flow in the return air duct of the storage compartment 11, and no matter whether a negative pressure is formed in the storage device 20, under the obstruction of the return air damper 44 of the device, the return air flow of the storage compartment will Neither the air duct nor the airflow in the storage compartment 11 will flow into the storage device 20 to affect the humidity in the storage device 20 .
  • FIG. 6 is a schematic structural block diagram of the refrigerator according to an embodiment of the present invention.
  • the refrigerator 1 of the present invention comprises a storage compartment 11 for storing items, an evaporator 30 for providing cooling airflow and a storage device 20 arranged in the storage compartment 11 , the storage device 20 has a drying mode and a moisturizing mode with different preset humidity ranges.
  • the refrigerator 1 also includes a device air supply damper 41 , a compartment air supply damper 42 , a sterilization and deodorization device 43 and a control device 60 .
  • the device air supply damper 41 , the compartment air supply damper 42 and the sterilization and deodorization device 43 are all electrically connected with the control device 60 .
  • the device supply damper 41 is configured to selectively allow cooling airflow to the storage device 20 . Specifically, when the device air supply door 41 is opened, the cooling airflow is allowed to flow to the storage device 20 , and when the device air supply door 41 is closed, the cooling airflow is prevented from flowing to the storage device 20 .
  • the compartment supply damper 42 is configured to selectively allow cooling air flow to the storage compartment 11 . Specifically, when the compartment air supply damper 42 is opened, the cooling air flow is allowed to flow to the storage compartment 11 , and when the compartment air supply damper 42 is closed, the cooling air flow is prevented from flowing to the storage compartment 11 .
  • the sterilizing and deodorizing device 43 is used for sterilizing and deodorizing the internal space of the storage device 20 . Specifically, the sterilizing and deodorizing device 43 can release the sterilizing and deodorizing substances such as ozone and negative ions into the storage device 20 to provide the function of sterilizing and deodorizing.
  • the control device 60 includes a processor 61 and a memory 62, the memory 62 stores a machine executable program 63, and the machine executable program 63 is used to implement the control method described in any of the above embodiments when executed by the processor 61.
  • the storage device 20 may be a storage drawer, which may include a cylinder body and a drawer provided in the cylinder body in a push-pull manner, so as to facilitate users to take and place items.
  • the number of storage devices 20 may be one, two or more than two. When the number of storage devices 20 is two, the two storage devices 20 are arranged side by side in the box of the refrigerator 1 along the transverse direction.
  • the refrigerator 1 of the present application is a refrigerator in a broad sense, which includes not only refrigerators in the narrow sense, but also storage devices with refrigeration, freezing or other storage functions, such as refrigerators, freezers and the like.
  • the humidity mentioned in the present invention is relative humidity.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

L'invention concerne un procédé de commande de réfrigérateur et un réfrigérateur. Le réfrigérateur comprend un compartiment de stockage (11) et un appareil de stockage (20), l'appareil de stockage (20) ayant un mode de séchage et un mode de rétention d'humidité. Le réfrigérateur comprend en outre un évaporateur (30), un amortisseur d'alimentation en air de l'appareil (41), un amortisseur d'alimentation en air du compartiment (42) , et un appareil de stérilisation et de désodorisation (43). Le procédé de commande consiste à : après réception d'un signal de commutation de mode utilisé pour indiquer que l'appareil de stockage (20) passe du mode de rétention d'humidité au mode de séchage, envoyer des informations d'invite utilisées pour représenter un premier changement de mode de démarrage de l'appareil de stockage (20) ; réduire l'humidité dans l'appareil de stockage (20) par ouverture de l'amortisseur d'alimentation en air de l'appareil (41), de façon à introduire un flux d'air de refroidissement dans l'appareil de stockage (20), et démarrer l'appareil de stérilisation et de désodorisation (43), de façon à libérer une substance stérilisante et désodorisante dans l'appareil de stockage (20) ; lorsque l'amortisseur d'alimentation en air de l'appareil (41) est dans un état ouvert et que l'appareil de stérilisation et de désodorisation (43) est dans un état de marche, commander l'amortisseur d'alimentation en air du compartiment (42) à fermer ; et lorsque le premier changement de mode de l'appareil de stockage (20) est achevé, envoyer des informations d'invite indiquant que le premier changement de mode de l'appareil de stockage (20) est terminé.
PCT/CN2022/130341 2021-11-19 2022-11-07 Procédé de commande de réfrigérateur et réfrigérateur WO2023088121A1 (fr)

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CN202111400412.0A CN116147272A (zh) 2021-11-19 2021-11-19 冰箱的控制方法及冰箱

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1038444A (ja) * 1996-07-26 1998-02-13 Matsushita Refrig Co Ltd 冷蔵庫の制御装置
CN1174979A (zh) * 1996-08-27 1998-03-04 Lg电子株式会社 在冰箱中供给冷气的装置和方法
JP2011058669A (ja) * 2009-09-08 2011-03-24 Hitachi Appliances Inc 冷蔵庫
US20120222436A1 (en) * 2010-03-30 2012-09-06 Li Lingyun Air Cooled Refrigerator, Method And System Of Controlling The Same
CN105222517A (zh) * 2015-11-06 2016-01-06 合肥华凌股份有限公司 冰箱的控制方法、冰箱的控制装置和冰箱
CN206176865U (zh) * 2016-10-31 2017-05-17 合肥美菱股份有限公司 一种具有可调湿度储物盒的风冷冰箱
CN107477951A (zh) * 2017-09-06 2017-12-15 合肥美的电冰箱有限公司 带风门的多温区制冷结构、及其控制方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1038444A (ja) * 1996-07-26 1998-02-13 Matsushita Refrig Co Ltd 冷蔵庫の制御装置
CN1174979A (zh) * 1996-08-27 1998-03-04 Lg电子株式会社 在冰箱中供给冷气的装置和方法
JP2011058669A (ja) * 2009-09-08 2011-03-24 Hitachi Appliances Inc 冷蔵庫
US20120222436A1 (en) * 2010-03-30 2012-09-06 Li Lingyun Air Cooled Refrigerator, Method And System Of Controlling The Same
CN105222517A (zh) * 2015-11-06 2016-01-06 合肥华凌股份有限公司 冰箱的控制方法、冰箱的控制装置和冰箱
CN206176865U (zh) * 2016-10-31 2017-05-17 合肥美菱股份有限公司 一种具有可调湿度储物盒的风冷冰箱
CN107477951A (zh) * 2017-09-06 2017-12-15 合肥美的电冰箱有限公司 带风门的多温区制冷结构、及其控制方法

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